Granted Patent
Utility
US 5,456,729 · App. 07/866,023
Sensitizer and use
Inventors:
Fortunato Villamagna, Arun Chattopadhyay, Ming-Chen Lee
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Apr 9, 1992
Inventors
Fortunato Villamagna
Arun Chattopadhyay
Ming-Chen Lee
Assignee (at issue)
ICI Canada, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.